<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <title>title</title>
    <style>
         .body{
            text-align: center;
         }
         .top{
            list-style-type: none;
            margin: 0;
            padding: 0;
            overflow: hidden;
            background-color: #333;
            height: 25px;
        }
    </style>
</head>
<body>
    <div class="top">
        <a href="../home.html" style="color: aliceblue;text-decoration: none;">YEB</a>
        <input id="sarah">
        <button onclick="sarah()">sarah</button>
        <div id="user"></div>
    </div>
    <div class="body">
        <h2>错误！</h2>
        <hr>
        <h2>404</h2>
    </div>
    <div>
        <hr>
    </div>
    <script src="../sarah.js"></script>
</body>
</html>